A mathematician couple was having a Frappuccino in Starbucks sitting opposite to each other. Suddenly the guy noticed the text written on the paper in front of them and exclaimed that it was wrong. The girl denied it and said it is appropriate. Both are correct. What is written on the paper?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

On the dull night when the blonde was dozing, she heard an odd clamour and she saw that there was a bizarre man with a gun simply outside her home. So she raced to the telephone to call the police, however, she can't dial 911. Why?

Can you make four (4) nines (9) equal 100?

No matter how little or how much you use me, you change me every month. What am I?

How old is your son? asked a man to his neighbour. My son is five times as old as my daughter and my wife is five times as old as my son. I am twice as old as my wife whereas my grandmother, who is celebrating her eighty-first birthday is as old as all of us put together.

How old is the man's son ?

Find the smallest sentence with all the English alphabet.

Can you find out the next digit in the following series ?

0, 0, 1, 3, 2, 6, 3, 9, 4, 12, 5, ?

What 4-letter word can be written forward, backward or upside down, and can still be read from left to right?

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?